html,
body {
  height: 100%;
}
body {
  display: flex;
  flex-direction: column;
  background-image: url(../imgs/chenshi.png);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.header {
  display: flex;
  height: 1.33333333rem;
  line-height: 1.33333333rem;
  color: #0079ff;
  text-align: center;
  background: #ffffff;
  border-bottom: #b2b2b2 2px solid;
}
.header .left {
  width: 20%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.42666667rem;
}
.header .left img {
  opacity: 0.8;
}
.header .left p {
  padding-left: 0.13333333rem;
}
.header .center {
  flex: 1;
  font-size: 0.56rem;
  color: #000000;
}
.header .right {
  width: 20%;
}
.sec {
  flex: 1;
  overflow: auto;
}
.sec .dd {
  display: flex;
  width: 95%;
  margin-left: 5%;
  border-bottom: 1px #ffffff solid;
}
.sec .dd .left {
  width: 80%;
  line-height: 1.33333333rem;
  font-size: 0.4rem;
  color: white;
}
.sec .dd .left ul {
  width: 90%;
  margin-left: 10%;
  line-height: 1.33333333rem;
  font-size: 0.37333333rem;
  background: rgba(255, 255, 255, 0.5);
  color: white;
}
.sec .dd .imgs {
  flex: 1;
  text-align: center;
  line-height: 1.33333333rem;
}
.btn {
  height: 1.06666667rem;
  line-height: 1.06666667rem;
  text-align: center;
  background: #cccccc;
  color: white;
  opacity: 0.8;
}
